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IC BLOCK DIAGRAM & DESCRIPTION
IC494 PQ070XZ01Z(Regulator)
DC INPUT(Vin)
1
EXCLUSIVE IC
ON/OFF
2
CONTROL (Vc)
Pin No.
Symbols
1
Vin
2
3
4
Vadj
5
1
2
3
4
5
IC806 74VHCT08AMTCX (Quad 2-input and Gate)
1
A
0
B
2
0
O
3
0
4
A
1
B
5
1
6
O
1
7
GND
IC859 NC7SZ157P6 (UHS 2-Input Non-Inverting Multiplexer)
Connection Diagram
I
1
1
GND
2
I
3
0
3
DC OUTPUT(Vo)
OUTPUT
4
VOLTAGE
ADJUST (Vadj)
5
Description
DC INPUT
Vc
ON/OFF CONTROL
Vo
DC OUTPUT
OUTPUT VOLTAGE ADJUSTMENT
GND
14
V
CC
13 A
2
12 B
2
11 O
2
10 A
3
9 B
3
8 O
3
6
S
1
5
Vcc
0
4
Z
(Top View)
IC495 PQ2L2182MS (Regulator)
1
CONTROL
3
A
L
L
H
H
Pin Names
A
B
n'
N
O
N
Pin Descriptions
Pin Name
I
, I
0
1
S
Z
- 29 -
2
B
O
L
L
H
L
L
L
H
H
Description
Inputs
Outputs
Description
Data Inputs
Control Inputs
Output
5
4
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